1981 02 - daily  - mean of NCEP mean Daily Downward Longwave Radiation Flux at surface, W/m^2.
BasinID	Name	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
0	Pan Arctic	182.5	183.2	185.2	186.3	188.7	192.5	189.1	185.6	181.7	178.8	176.0	168.3	171.2	177.6	180.6	179.8	176.8	172.9	173.5	175.2	175.7	175.4	178.9	182.3	181.3	180.0	182.8	181.0	-9999.0	-9999.0	-9999.0
34	Hudson Bay	180.2	173.4	176.2	189.3	198.1	199.6	181.5	177.7	160.8	146.2	161.8	158.7	164.1	200.7	240.8	247.3	242.2	233.5	242.0	238.7	244.0	236.7	239.9	231.8	206.3	207.8	220.5	222.0	-9999.0	-9999.0	-9999.0
36	Hudson Strait	171.8	183.3	211.8	185.7	187.1	169.1	161.3	167.6	175.2	178.1	186.1	220.4	146.2	142.5	164.6	233.3	246.5	186.1	201.9	247.7	208.5	228.5	241.2	290.1	248.3	234.7	197.5	194.1	-9999.0	-9999.0	-9999.0
98	Bering Strait	205.7	218.4	212.8	210.4	194.7	238.4	229.3	211.4	218.3	227.6	181.5	151.2	156.5	163.6	163.1	154.1	147.1	157.4	163.5	173.1	188.3	180.7	171.9	180.2	218.5	202.5	207.6	205.6	-9999.0	-9999.0	-9999.0
128	Arctic subocean	153.5	148.3	145.7	119.8	114.7	124.2	105.3	117.6	140.3	142.4	122.4	115.2	122.3	160.3	159.5	155.9	128.4	125.6	109.8	106.9	127.7	143.7	153.5	151.7	140.1	131.0	131.6	119.3	-9999.0	-9999.0	-9999.0
130	Chukchi Sea	174.7	204.7	197.5	156.5	159.0	217.0	192.6	242.0	262.5	208.5	158.8	145.0	171.9	162.1	156.1	130.8	159.2	153.1	140.5	161.0	181.7	179.1	164.3	162.0	201.4	213.3	218.3	201.5	-9999.0	-9999.0	-9999.0
132	Beaufort Sea	196.2	219.7	217.7	213.1	205.7	191.8	192.6	176.6	163.1	171.7	182.2	174.2	185.3	218.5	224.4	203.8	199.3	205.8	202.6	215.7	212.2	224.4	210.5	204.5	205.8	208.5	209.2	199.1	-9999.0	-9999.0	-9999.0
134	Arctic Archipelago	156.6	167.3	200.1	189.5	158.5	151.1	154.4	141.1	135.4	131.4	141.6	137.1	145.2	151.4	155.8	157.1	145.4	136.1	149.6	140.9	138.3	169.0	181.1	174.2	165.5	178.7	178.9	150.2	-9999.0	-9999.0	-9999.0
136	Foxe Basin	167.3	148.0	152.3	177.1	161.0	136.0	134.3	119.4	116.6	112.6	154.5	163.2	167.3	149.9	145.5	152.4	166.5	139.9	163.3	185.7	153.3	131.1	155.4	156.2	180.3	229.7	216.8	195.8	-9999.0	-9999.0	-9999.0
138	Baffin Bay	111.3	109.8	122.6	111.5	105.3	104.5	95.1	86.2	82.2	88.1	95.0	90.3	146.2	152.3	114.9	96.6	85.4	91.6	93.0	83.2	94.2	94.0	108.6	112.1	110.2	113.4	119.9	130.0	-9999.0	-9999.0	-9999.0
139	South Greenland	144.8	133.5	127.1	146.8	140.0	122.9	109.0	112.3	119.1	139.3	153.1	142.8	179.6	147.7	116.8	111.9	119.6	136.8	133.8	150.1	161.5	125.7	115.6	126.9	138.0	147.1	160.2	172.4	-9999.0	-9999.0	-9999.0
140	Greenland Sea	103.9	99.3	90.5	95.7	123.0	141.4	109.5	97.5	103.1	104.5	116.4	118.6	133.3	161.0	161.4	126.5	128.0	103.1	81.6	75.3	75.5	82.0	100.0	121.7	139.1	138.5	121.9	112.9	-9999.0	-9999.0	-9999.0
142	Norwegian Sea	248.3	268.4	239.7	234.7	234.5	253.7	236.5	258.2	234.0	216.1	204.7	198.5	266.1	257.9	261.1	245.7	218.8	212.5	230.5	214.5	215.2	229.4	217.5	215.4	206.0	226.1	221.7	234.5	-9999.0	-9999.0	-9999.0
144	Barents Sea	202.2	209.6	200.4	200.7	217.5	224.1	222.8	227.2	234.6	237.9	230.2	219.8	216.2	217.8	218.5	230.5	208.4	190.1	194.0	187.7	189.7	197.1	200.9	193.3	193.8	195.8	232.6	211.9	-9999.0	-9999.0	-9999.0
146	Kara Sea	206.4	196.0	200.5	213.6	217.4	219.5	218.3	214.2	208.7	199.8	191.2	181.6	174.7	176.1	176.3	173.4	179.1	177.1	173.1	175.7	171.6	173.7	177.3	183.5	182.7	173.4	167.4	175.7	-9999.0	-9999.0	-9999.0
148	Laptev Sea	162.3	172.8	179.5	153.6	164.8	173.5	178.1	172.6	184.1	181.7	175.7	169.2	166.2	158.4	157.3	166.6	157.0	147.8	144.5	139.8	138.1	138.6	153.0	160.1	157.6	155.4	156.9	150.3	-9999.0	-9999.0	-9999.0
150	East Siberian Sea	158.5	151.4	139.3	150.0	152.3	168.8	199.4	217.4	189.5	193.2	184.0	171.9	170.1	167.8	159.4	157.7	150.4	152.3	150.8	147.3	148.0	139.8	138.5	142.1	139.8	150.3	167.1	161.0	-9999.0	-9999.0	-9999.0
152	Gulf of Alaska	272.0	259.6	233.5	262.5	252.3	279.1	264.4	242.5	226.9	235.8	210.1	210.7	215.5	206.8	192.3	190.0	202.2	216.9	228.6	220.4	246.7	205.6	222.8	219.1	256.4	246.7	237.5	232.9	-9999.0	-9999.0	-9999.0
154	Southeast Bering Sea	248.9	264.3	245.9	230.2	285.7	266.8	246.3	289.7	264.5	238.8	192.2	175.4	175.3	160.1	158.0	156.1	141.2	160.0	188.7	202.0	207.9	185.0	193.3	242.1	269.1	251.8	229.7	267.0	-9999.0	-9999.0	-9999.0